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Add up to 3 clear aligner providers in the UK to see them side by side. Details come from our reviews; open a review for sources and the full picture.
| Detail | Invisalign | Straight Teeth Direct | |
|---|---|---|---|
| Treatment | |||
| ApproachA scan records your teeth; it is not a dental examination. | Dental exam In-person check-ups | Home kit Remote check-ins | |
| How it startsAn impression kit or a scan records the teeth. Check whether a dentist examines you in person. | An examination and 3D scan with an Invisalign-trained dentist or orthodontist. | Free e-consultation, then a £69 SmileBox for home impressions, then the £1,790 StraightBox after you see the plan. | |
| Check-ins and monitoring | An in-person examination and scan. Your practice sets check-ups, which may combine in-person visits with remote progress checks. | Remote photo screening and monthly photos in the app. The public pages do not explain where a physical examination takes place. | |
| Who plans and supervises | Your treating dentist or orthodontist plans and supervises treatment. | Unnamed dentist for the first photos, then an assigned dentist or orthodontist who plans and monitors treatment. No GDC number is published. | |
| Cost | |||
| Treatment priceCheck whether a price covers one arch or both, and what it includes. | Practice fees£2,000 to £4,100 Three UK practices publish both-arch fees from about £2,000 to about £4,100. These are fees at practices we checked, not the provider's price; your practice sets yours after an examination. Checked 26 October 2026 | Listed price£1,859 For both arches. Includes £69 for the SmileBox impression kit and plan. Checked 26 October 2026 | |
| Paying monthly | Not confirmed | Three instalments: £1,887 in total, or £1,956 with the SmileBox impression kit and plan In-house monthly: £1,931 in total, or £2,000 with the SmileBox impression kit and plan Totals are calculated from the published payments. | |
| Aftercare | |||
| Retainers | Many practices offer Vivera retainers. Whether they are included depends on the quote. | One removable set included. Annual retainer plan £239 in year one, then £179 a year. A fixed retainer is not included. | |
| RefinementsConditions often apply. The review has the detail. | Extra aligners can be ordered if needed. Whether they cost extra depends on the quote. | The pricing page includes one round if your dentist prescribes it; the FAQ says all extra aligners are covered. Lost or broken aligners are replaced. | |
| Our review | |||
| Still to confirm | Nothing specific flagged; other details may still be unconfirmed | Named prescribing clinician, and where a physical clinical examination takes place. Whether refinements are limited to one round (pricing page) or unlimited (FAQ). Humm APR and total repayable. Whether a 3D scan can still be booked. The refund page still mentions a £79 scan deduction. | |
| Full review | Updated 26 October 2026 Read the Invisalign review | Updated 26 October 2026 Read the Straight Teeth Direct review |
Add another provider
In alphabetical order. This is not a ranking.
Reviewed but not available to compare
- Diamond Whites Impress acquired Diamond Whites, and new cases are now quoted at an Impress clinic.
- NewSmile Its aligners could not be ordered online when we checked on 27 October 2026: the order button led to a missing page, and the shop listed no aligners.
Who is included. A provider can be compared when we have a current review, new patients can start with it in the UK, and we could confirm how treatment starts and how progress is checked. A missing price never rules a provider out: practice-set fees are shown as practice fees or as a quote. Being listed is not a recommendation.
Providers that have closed, changed or could not be confirmed are listed under Looking for another provider? on the reviews page. Prices and terms change, so confirm them with the provider before you pay.
Not sure where to start? Our guide to the best clear aligners in the UK explains which providers we would look at first, and why.
